code: def testMessageWithCustomOptions(self):
      proto = unittest_custom_options_pb2.TestMessageWithCustomOptions()
      enum_options = proto.DESCRIPTOR.enum_types_by_name[
          "AnEnum"
      ].GetOptions()
      self.assertTrue(enum_options is not None)
  
imports: import unittest
  from google.protobuf.internal import test_bad_identifiers_pb2
  from google.protobuf import unittest_custom_options_pb2
  from google.protobuf import unittest_import_pb2
  from google.protobuf import unittest_import_public_pb2
  from google.protobuf import unittest_mset_pb2
  from google.protobuf import unittest_pb2
  from google.protobuf import unittest_no_generic_services_pb2
  from google.protobuf import service
label_desc: Use image node_id 9 for calling the GeneratorTest obj's underlying member method code with example usage: obj.testMessageWithCustomOptions() without return types